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From "Timothy Potter (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAHOUT-588) Benchmark Mahout's clustering performance on EC2 and publish the results
Date Tue, 01 Feb 2011 17:18:29 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12989285#comment-12989285
] 

Timothy Potter commented on MAHOUT-588:
---------------------------------------

Hi Szymon,

I'd like to use the vectors you created with the more sophisticated analzyer. Can you post
the tfidf-vectors directory from your HDFS to Grant's S3 bucket, such as: s3n://asf-mail-archives/mahout-0.4/tfidf-vectors

Best way would be to use distcp out of Hadoop using:

hadoop distcp HDFS_PATH/tfidf-vectors s3n://asf-mail-archives/mahout-0.4/

You'll also need to setup your s3n access key and secret key in core-site.xml, such as:

<property>
  <name>fs.s3n.awsAccessKeyId</name>
  <value>ACCESSKEY</value>
</property>
<property>
  <name>fs.s3n.awsSecretAccessKey</name>
  <value>SECRETKEY</value>
</property>



> Benchmark Mahout's clustering performance on EC2 and publish the results
> ------------------------------------------------------------------------
>
>                 Key: MAHOUT-588
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-588
>             Project: Mahout
>          Issue Type: Task
>            Reporter: Grant Ingersoll
>         Attachments: SequenceFilesFromMailArchives.java, SequenceFilesFromMailArchives2.java,
Top1000Tokens_maybe_stopWords, Uncompress.java, clusters_kMeans.txt, distcp_large_to_s3_failed.log,
seq2sparse_small_failed.log, seq2sparse_xlarge_ok.log
>
>
> For Taming Text, I've commissioned some benchmarking work on Mahout's clustering algorithms.
 I've asked the two doing the project to do all the work in the open here.  The goal is to
use a publicly reusable dataset (for now, the ASF mail archives, assuming it is big enough)
and run on EC2 and make all resources available so others can reproduce/improve.
> I'd like to add the setup code to utils (although it could possibly be done as a Vectorizer)
and the publication of the results will be put up on the Wiki as well as in the book.  This
issue is to track the patches, etc.

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